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vbc.exe

Generic Malware PE32 PE File .NET EXE
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Dec. 14, 2021, 3:15 p.m. Dec. 14, 2021, 3:22 p.m.
Size 201.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 5712d309e210b6faf086961e09d4b4e1
SHA256 3146863bd493b87c1cbc3faccbd7f2519a7b3b8802c388b2c6c8c544837ca361
CRC32 2B4D38B9
ssdeep 3072:/jbhEgRNvVB+mO1emLHhA46Xvx2CxwbD30aq2P5JcpFKn8G2e2FBgMMJ:/jbBRtVQzB6fx2CxwXL/X8VFD
Yara
  • PE_Header_Zero - PE File Signature
  • Generic_Malware_Zero - Generic Malware
  • IsPE32 - (no description)
  • Is_DotNET_EXE - (no description)
  • Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

Name Response Post-Analysis Lookup
apps.identrust.com
A 61.111.58.35
CNAME a1952.dscq.akamai.net
CNAME identrust.edgesuite.net
A 61.111.58.34
119.207.65.137
renz.co.jp
A 219.94.192.46
219.94.192.46
IP Address Status Action
164.124.101.2 Active Moloch
219.94.192.46 Active Moloch
61.111.58.35 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.101:49164 -> 219.94.192.46:443 906200022 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined

Suricata TLS

Flow Issuer Subject Fingerprint
TLS 1.2
192.168.56.101:49164
219.94.192.46:443 		C=US, O=Let's Encrypt, CN=R3 CN=renz.co.jp 23:b4:20:69:19:5c:02:08:fc:c1:36:64:b3:1b:74:a3:fb:b0:9d:a5

Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0
Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
suspicious_features GET method with no useragent header suspicious_request GET http://renz.co.jp/blog/ConsoleApp3.jpg
request GET http://renz.co.jp/blog/ConsoleApp3.jpg
request GET http://apps.identrust.com/roots/dstrootcax3.p7c
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 2228224
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00880000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00a60000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2840
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72e31000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2840
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72e32000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 1441792
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00bc0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00422000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00455000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0045b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00457000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0043c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00830000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00831000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0042a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0044a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00447000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00446000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0044b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0043a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2840
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0042c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

GetAdaptersAddresses

 flags: 15
family: 0
111 0
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